Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hello, I'm Mite, here to help.
You can contact Microsoft Support directly through this link: https://support.microsoft.com/contactus
Sign in with your Microsoft account and select Microsoft 365. If you're asked to choose between personal and business support, select the personal/home option.
Next, enter "Unable to install Office" in the search box and click Get Help.
You'll see some suggested help articles. Just scroll down to the bottom of the page and click Contact Support.
Then select the product and issue category that match your problem. Microsoft will show you the available contact options, such as chatting with a support agent online.
You can then explain your Family subscription and installation issue directly to the support agent.